Mason Township (Cass County) is a township in Cass County, Michigan, home to about 2,836 people across 20 square miles. It has no ZIP code of its own: it’s part of 49031, 49061, 49112 and 49130.
Homes sold for a median of $171 per square foot across 4 ZIP codes in the three months ending August 2026, and 1 of 4 were seller’s markets.
Mostly LaGrange; part is in Mason Township (Cass County)
Mostly Porter Township (Cass County); part is in Mason Township (Cass County)
Mostly Ontwa; part is in Mason Township (Cass County)
Mostly Porter Township (Cass County); part is in Mason Township (Cass County)
Each card is that ZIP code’s whole market, including any part outside Mason Township (Cass County). Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Mason Township (Cass County)’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Mason Township (Cass County) well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Gerald R. Ford International Airport (GRR)76 miles away |
|---|---|
| Closer regional airport | South Bend International Airport (SBN)19 miles away |
| Nearest city of 250,000+ | Fort Wayne, IN67 miles away |
| Nearest city of 1 million+ | Chicago, IL88 miles away |
Straight-line distances from the center of Mason Township (Cass County); driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Mason Township (Cass County) had 2,841 residents in the 2020 census, up 13% since 2000.
It’s the 613th largest of 1,531 towns in Michigan by population.
Cass County grew from 20,876 residents in 1900 to 51,589 in 2020.
Cass County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 82°F in summer, and winter lows average 16°F. About 41.7 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Dowagiac 1 W, MI weather station (14 miles away).
7,632 jobs at 777 businesses in Cass County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
89 doctors and other health care providers list an office in Mason Township (Cass County)’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 10 |
|---|---|
| Specialist doctors | 2 |
| Dentists | 7 |
| Nurse practitioners and physician assistants | 13 |
| Mental health providers | 42 |
| Physical and occupational therapists | 10 |
| Optometrists | 1 |
| Chiropractors | 4 |
| Pharmacies | 3 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Grocery stores
Pharmacies
Libraries
Museums
Counts are within about 3 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Heritage Southwest Intermediate School District, Cassopolis Public Schools, Edwardsburg Public Schools. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Brookside Learning CenterCassopolis | Pre-K–12 | 64 | Special Education | 7.9 mi |
| Sam Adams Elementary SchoolCassopolis | Pre-K–5 | 368 | Public | 6.1 mi |
| Edwardsburg Primary SchoolEdwardsburg | K–1 | 342 | Public | 6.2 mi |
| Eagle Lake Elementary SchoolEdwardsburg | 2–3 | 385 | Public | 3.4 mi |
| Edwardsburg Intermediate SchoolEdwardsburg | 4–5 | 361 | Public | 6.3 mi |
| Cassopolis Middle SchoolCassopolis | 6–8 | 188 | Public | 6.4 mi |
| Edwardsburg Middle SchoolEdwardsburg | 6–8 | 612 | Public | 6.4 mi |
| Cassopolis Alternative EdCassopolis | 9–12 | 16 | Alternative Education | 5.1 mi |
| Cassopolis High SchoolCassopolis | 9–12 | 281 | Public | 5.1 mi |
| Edwardsburg Alternative Learning CenterEdwardsburg | 9–12 | 46 | Alternative Education | 6.4 mi |
| Edwardsburg High SchoolEdwardsburg | 9–12 | 773 | Public | 6.4 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Ontwa, LaGrange, Jefferson Township (Cass County), Porter Township (Cass County), Calvin, Penn, Newberg, Howard and Volinia.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.